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Journal Article

Citation

Zalesinska M. Accid. Anal. Prev. 2018; 117: 439-448.

Affiliation

Poznan University of Technology, Division of Lighting and Electro Heating Engineering, 5 M. Sklodowska-Curie Square, 60-965 Poznan, Poland. Electronic address: malgorzata.zalesinska@put.poznan.pl.

Copyright

(Copyright © 2018, Elsevier Publishing)

DOI

10.1016/j.aap.2018.02.005

PMID

29501224

Abstract

A proper visual performance by drivers can be ensured by, among else, a correct distribution of luminance in their field of view. At night, when the driver's sight is adapted to low luminance levels, high luminance level objects located near the road may be a source of glare, which is not only a nuisance, but it may also blind the driver. For many years, LED billboards (light-emitting diode billboards) have been installed near roads. Such billboards are usually large, have high luminance and show dynamically changing images. These parameters have a significant impact on the drivers' visual performance and, in turn, on road traffic safety. The study on the impact of the luminance, size and location of LED billboards on the drivers' visual performance was conducted on a volunteer group. Testing the impact of LED billboards on the visual performance of drivers in real-life conditions is very difficult. Therefore, the tests have been conducted in laboratory conditions, using a car driving simulator. The paper describes the testing procedure and tests results. The permissible luminance and areas of LED screens in two locations near the road, which significantly reduce the drivers' visual performance in municipal traffic at night, were determined by conducting an analysis of the results. Recommendations on the permissible luminance and areas of LED billboards were formulated.

Copyright © 2018 Elsevier Ltd. All rights reserved.


Language: en

Keywords

Billboard recommendations; Driver’s visual performance; Driving simulator; LED billboards; Road safety

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